window roller

A purchasing agent from sewell says:
we are looking to fix out window and this is the roller that was in it
User submitted photos of a window roller.
Profile picture of Paul
Paul from SWISCO responded:
This looks like a certain roller from the defunct Keller Industries' model 7310 sliding window. Look at our 87-138 for a possible match. Carefully compare our pictures and measurements to your hardware to confirm if it can work.
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